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Hospitalist

Ayyoub B. Haddad, DO

Works at hospitals in Wyandotte, MI · Michigan

Summary

Dr. Ayyoub B. Haddad, DO is a hospitalist at 1 Ford Pl, Detroit, MI 48202. Phone: (313) 874-6677. Accepts Medicare assignment. In 2024, Ayyoub B. Haddad had 116 Original Medicare patients and 505 services. NPI 1336390012. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Ayyoub B. Haddad, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ayyoub B. Haddad accept Medicare assignment?
Yes. Medicare's clinician data says Ayyoub B. Haddad accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ayyoub B. Haddad see?
In 2024, CMS data shows 116 Original Medicare patients and 505 services for Ayyoub B. Haddad. This counts Original Medicare only and measures volume, not quality.
What is Ayyoub B. Haddad's NPI number?
1336390012. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ayyoub B. Haddad, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients116
Services billed to Medicare505
Different services or procedures10
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)337 services
  2. Hospital discharge day management, more than 30 minutes (99239)75 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)37 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)33 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)12 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis67%
  • Ischemic heart disease61%
  • Heart failure61%
  • Chronic kidney disease60%

Hospitals where Ayyoub B. Haddad works

Medicare's Facility Affiliation Data lists Ayyoub B. Haddad at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Ayyoub B. Haddad is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ayyoub B. Haddad as a member of this group (CMS data updated October 2, 2026).

  • Henry Ford Health System2,570 clinicians in the group

Specialties

Find other Hospitalist doctors in Michigan →

Other hospitalists in Detroit

Clinicians with the same Medicare primary specialty in Detroit, MI — not a recommendation.

All hospitalists in Detroit →

Other clinicians in Henry Ford Health System

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336390012
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians